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SUSE Linux Enterprise Live Patch 2026-1622-1 Important Kernel Security Fix

suse
Calendar Grey April 27, 2026
Dist Suse Esm H88
Two important vulnerabilities fixed in the SUSE Linux Enterprise Kernel, improving overall system security and stability.
An update that solves two vulnerabilities can now be installed.

Summary

## This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.110 fixes various security issues The following security issues were fixed: * CVE-2026-23191: ALSA: aloop: Fix racy access at PCM trigger (bsc#1258396). * CVE-2026-23268: apparmor: fix unprivileged local user can do privileged policy management (bsc#1259859). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * openSUSE Leap 15.5 zypper in -t patch SUSE-2026-1627=1 SUSE-2026-1628=1 * SUSE Linux Enterprise Live Patching 15-SP5 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2026-1627=1 SUSE-SLE- Module-Live-Patching-15-SP5-2026-1628=1 * openSUSE Leap 15.4

Topics%20covered

Topics Covered

security advisory important kernel SuSE Linux local user policy management

References

* bsc#1258396

* bsc#1259859

Cross-

* CVE-2026-23191

* CVE-2026-23268

CVSS scores:

* CVE-2026-23191 ( SUSE ): 6.9

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N

* CVE-2026-23191 ( SUSE ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

* CVE-2026-23191 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-23191 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-23268 ( SUSE ): 7.3

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2026-23268 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-23268 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

* openSUSE Leap 15.4

* openSUSE Leap 15.5

* SUSE Linux Enterprise High Performance Computing 15 SP4

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1622-1
Release Date: 2026-04-25T06:33:49Z
Rating: important

Topics%20covered

Topics Covered

security advisory important kernel SuSE Linux local user policy management

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